OF THE CAROLINAS & GEORGIA

Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Asterids: Cornales

WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Hydrangea radiata   FAMILY Hydrangeaceae   Go to FSUS key



SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Hydrangea radiata   FAMILY Hydrangeaceae

SYNONYMOUS WITH Flora of North America

Hydrangea radiata

SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 094-05-001c:

Hydrangea arborescens ssp. radiata   FAMILY Saxifragaceae

SYNONYMOUS WITH Manual of the Southeastern Flora (Small, 1933, 1938)

Hydrangea radiata

 

COMMON NAME:
Snowy Hydrangea, Silverleaf Hydrangea


         To see larger pictures, click or hover over the thumbnails.

image of Hydrangea radiata, Snowy Hydrangea, Silverleaf Hydrangea

JK Marlow    jkm0401b_09

January    Pickens County    SC

Jocassee Gorges

image of Hydrangea radiata, Snowy Hydrangea, Silverleaf Hydrangea

JK Marlow    jkm0304e_07

April    Oconee County    SC

Sumter National Forest: Andrew Pickens Ranger District

image of Hydrangea radiata, Snowy Hydrangea, Silverleaf Hydrangea

JK Marlow    jkm0304e_08

April    Oconee County    SC

Sumter National Forest: Andrew Pickens Ranger District

image of Hydrangea radiata, Snowy Hydrangea, Silverleaf Hydrangea

JK Marlow    s050424_k

April    Pickens County    SC

Table Rock State Park

Lower leaf densely floccose-velutinous, felt-like, appearing white or silver, per Weakley's Flora.

image of Hydrangea radiata, Snowy Hydrangea, Silverleaf Hydrangea

JK Marlow    jkm0205cb_05a

May    Greenville County    SC

image of Hydrangea radiata, Snowy Hydrangea, Silverleaf Hydrangea

JK Marlow    jkm120623_265b

June    Greenville County    SC

Ashmore Heritage Preserve

image of Hydrangea radiata, Snowy Hydrangea, Silverleaf Hydrangea

JK Marlow    jkm140627_458

June    Transylvania County    NC

Foothills Trail

image of Hydrangea radiata, Snowy Hydrangea, Silverleaf Hydrangea

JK Marlow    jkm150621_395

June    Jackson County    NC

Foothills Trail

Sterile flowers are 1-3.5cm broad, consisting of a flat 3-4 lobed calyx, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).

image of Hydrangea radiata, Snowy Hydrangea, Silverleaf Hydrangea

JK Marlow    jkm190604_9025

June    Greenville County    SC

Generally fairly many (2-15) sterile flowers per inflorescence, per Weakley's Flora.

image of Hydrangea radiata, Snowy Hydrangea, Silverleaf Hydrangea

Stephanie C. Brundage    scb_060521hayesville01

June    Clay County    NC

Clay County Native Botanical Garden

image of Hydrangea radiata, Snowy Hydrangea, Silverleaf Hydrangea

Richard and Teresa Ware    rtw_hydrangea_radiata_8

July        

Perfect flowers numerous, short-pedicellate, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).

image of Hydrangea radiata, Snowy Hydrangea, Silverleaf Hydrangea

Ron Lance    rwl708_a

September        

This is SC's most common hydrangea in the mountains and piedmont, per Guide to the Wildflowers of SC, 1st ed. (Porcher & Rayner, 2001).

image of Hydrangea radiata, Snowy Hydrangea, Silverleaf Hydrangea

JK Marlow    jkm211106_4744

November    Pickens County    SC

Palmetto Trail

Leaves white below, per Woody Plants of the Blue Ridge (Lance).


click here to see other plants that look similar to this COMPARE leaves of Hydrangea species

 

 

WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Hydrangea radiata   FAMILY Hydrangeaceae

SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Hydrangea radiata   FAMILY Hydrangeaceae

SYNONYMOUS WITH Flora of North America
Hydrangea radiata

SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 094-05-001c:
Hydrangea arborescens ssp. radiata   FAMILY Saxifragaceae

SYNONYMOUS WITH Manual of the Southeastern Flora (Small, 1933, 1938)
Hydrangea radiata

 

Find by SCIENTIFIC NAME:

708

Shrub
Perennial

Habitat: Rocky forests and rock outcrops, often common and conspicuous on roadbanks, per Weakley's Flora

Native to the Carolinas & Georgia

Common in Mountains (uncommon in SC Piedmont, rare in NC Piedmont)

map
CLICK HERE to see a map, notes, and images from Weakley's Flora of the Southeastern US.

LEAVES:
Deciduous
Simple
Opposite

FLOWER:
Spring/Summer
White
Radially symmetrical
5-lobed calyx (in bisexual flowers)/3-4 lobed calyx (in sterile flowers)
5 petals (in bisexual flowers)/petals absent (in sterile flowers)
8-10 exserted stamens
Inferior ovary
Bisexual or sterile

Inflorescence a corymb

FRUIT:
Spring/Summer
Brown
Capsule

 

TO LEARN MORE about this plant, look it up in a good book!



 


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